Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) Spectrophotometry (SP) (1) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Alcohols (9) Anesthetics (3) Antianxiety (3) Antiarrhythmics (5) Antidiabetics (4) Antiepileptics/Antiseizures (2) Antineoplastics (3) Antipsychotics (3) Antithyroids (2) (-) Biomarkers (1) Carbonic Anhydrase Inhibitors (1) Hallucinogens (15) (-) Herbicides (1) Immunosuppressants (4) Metals/Elements (28) Muscle Relaxants (6) NMDA Antagonists (2) Pesticides/Insecticides (3) Sedative/Hypnotics (3) Solvents (5) Stimulants (9) Volatiles (13) Test Sub-Category (-) Other (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Tetracyclics (6) Test Test Name 2887B Methemoglobin, Blood 3048SP Metribuzin, Serum/Plasma